Home / 70,930.37-97,882.85-39,098.58

Finding the Fourth Proportional to 70,930.37, 97,882.85 and 39,098.58

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Solution

The fourth proportional to 70,930.37, 97,882.85 and 39,098.58 is: 53,955.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,930.37 : 97,882.85 = 39,098.58 : x
  2. Step 2: Convert to fraction form
    70,930.37/97,882.85 = 39,098.58/x
  3. Step 3: Cross multiply
    70,930.37x = 97,882.85 × 39,098.58
  4. Step 4: Simplify right side
    70,930.37x = 3,827,080,245.86
  5. Step 5: Solve for x
    x = 3,827,080,245.86/70,930.37
  6. Step 6: Final answer
    x = 53,955.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.